IHI IC50 - Hydraulic System; Hydraulic System Diagram

MAINTENANCE
IC50 ENG 4-30
HYDRAULIC SYSTEM
Hydraulic system diagram
Set Pressure for Relief Valves
Locations Item Relief valves
Set Pressure
(MPa)
Pump 1
A1: Backward
B1: Forward
Pump relief valves for right travel motor 34.0
Pump 2
A2: Backward
B2: Forward
Pump relief valves for left travel motor 34.0
MRV Main relief valve for dump (Raise) 20.6 Control
Valve
ORV Over load relief valve for dump (Lower) 6.9
Pump1•2 C1•C2 Charge relief valve 2.0
Dump
Right travel
Left travel
For parking
brake
For travel
speed select
Line filte
r
Hydraulic
oil tank
Suction
strainer
Return filte
r
Oil coole
r
Control valve
Engine